Linear Functions and Fuel Consumption
Interactive Video
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of a linear function?
y = a/x + b
y = ax + b^2
y = ax^2 + bx + c
y = a + bx
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the initial value 'a' be interpreted in the context of a linear function?
It is the x-intercept of the line.
It is the y-intercept of the line.
It is the slope of the line.
It is the rate of change.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the graph of a linear function represent?
A parabola that opens upwards.
A line that passes through the given ordered pairs.
A line that passes through the origin.
A curve that passes through all given points.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a car starts with 18 gallons of fuel and consumes 0.04 gallons per mile, how much fuel is left after 50 miles?
20 gallons
14 gallons
18 gallons
16 gallons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rate of change in the car fuel problem?
4 gallons per mile
0.4 gallons per mile
0.04 gallons per mile
0.004 gallons per mile
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the point (50, 16) derived in the car fuel problem?
By calculating the fuel left after 50 miles.
By calculating the fuel left after 75 miles.
By calculating the fuel left after 25 miles.
By calculating the fuel left after 100 miles.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the linear function that models the car's fuel consumption?
a = 18 - 0.04M
a = 18 + 0.04M
a = 0.04M + 18
a = 0.04M - 18
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